Radar sensor with stable structure

The utility model discloses a radar sensor with a stable structure, which comprises a mounting seat, a connecting column, a shell, a camera and a cleaning assembly, the connecting column is mounted on the mounting seat, the shell is mounted at the top end of the connecting column, the camera is mounted in the shell, the cleaning assembly is mounted in the shell, and the camera is mounted in the cleaning assembly. And the cleaning assembly comprises a driving motor, a threaded rod, a first connecting block, a sliding rod, a second connecting block, an arc-shaped plate and a cleaning brush, and the driving motor is installed at the bottom of the interior of the shell. According to the utility model, the cleaning assembly is arranged to clean the surface of the camera and the inner wall of the shell, so that the influence of dust and fog on the camera can be effectively prevented, and water vapor generated by the dust and fog on the surface of the camera can be cleaned; and through the arrangement of a damper, a